Home / 1,923.87-2,885.85-625.17

Finding the Fourth Proportional to 1,923.87, 2,885.85 and 625.17

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Solution

The fourth proportional to 1,923.87, 2,885.85 and 625.17 is: 937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.87 : 2,885.85 = 625.17 : x
  2. Step 2: Convert to fraction form
    1,923.87/2,885.85 = 625.17/x
  3. Step 3: Cross multiply
    1,923.87x = 2,885.85 × 625.17
  4. Step 4: Simplify right side
    1,923.87x = 1,804,146.84
  5. Step 5: Solve for x
    x = 1,804,146.84/1,923.87
  6. Step 6: Final answer
    x = 937.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.